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Wed, 1 Jul 2026 19:34:34 +0200 (CEST) Message-ID: Subject: Re: [PATCH 1/3] dt-bindings: rtc: Add sii,wakealarm-output-pin property for S35390A From: Markus Probst To: Alexandre Belloni Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Uwe =?ISO-8859-1?Q?Kleine-K=F6nig?= , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 01 Jul 2026 17:34:35 +0000 In-Reply-To: <202607011506045358209c@mail.local> References: <20260630-rtc_s35390a_int1-v1-0-1b2239e16be2@posteo.de> <20260630-rtc_s35390a_int1-v1-1-1b2239e16be2@posteo.de> <202607011506045358209c@mail.local> Autocrypt: addr=markus.probst@posteo.de; prefer-encrypt=mutual; keydata=mQINBGiDvXgBEADAXUceKafpl46S35UmDh2wRvvx+UfZbcTjeQOlSwKP7YVJ4JOZrVs93 qReNLkOWguIqPBxR9blQ4nyYrqSCV+MMw/3ifyXIm6Pw2YRUDg+WTEOjTixRCoWDgUj1nOsvJ9tVA m76Ww+/pAnepVRafMID0rqEfD9oGv1YrfpeFJhyE2zUw3SyyNLIKWD6QeLRhKQRbSnsXhGLFBXCqt 9k5JARhgQof9zvztcCVlT5KVvuyfC4H+HzeGmu9201BVyihJwKdcKPq+n/aY5FUVxNTgtI9f8wIbm fAjaoT1pjXSp+dszakA98fhONM98pOq723o/1ZGMZukyXFfsDGtA3BB79HoopHKujLGWAGskzClwT jRQxBqxh/U/lL1pc+0xPWikTNCmtziCOvv0KA0arDOMQlyFvImzX6oGVgE4ksKQYbMZ3Ikw6L1Rv1 J+FvN0aNwOKgL2ztBRYscUGcQvA0Zo1fGCAn/BLEJvQYShWKeKqjyncVGoXFsz2AcuFKe1pwETSsN 6OZncjy32e4ktgs07cWBfx0v62b8md36jau+B6RVnnodaA8++oXl3FRwiEW8XfXWIjy4umIv93tb8 8ekYsfOfWkTSewZYXGoqe4RtK80ulMHb/dh2FZQIFyRdN4HOmB4FYO5sEYFr9YjHLmDkrUgNodJCX CeMe4BO4iaxUQARAQABtCdNYXJrdXMgUHJvYnN0IDxtYXJrdXMucHJvYnN0QHBvc3Rlby5kZT6JAl QEEwEIAD4CGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AWIQSCdBjE9KxY53IwxHM0dh/4561 D0gUCaIZ9HQIZAQAKCRA0dh/4561D0pKmD/92zsCfbD+SrvBpNWtbit7J9wFBNr9qSFFm2n/65qen NNWKDrCzDsjRbALMHSO8nigMWzjofbVjj8Nf7SDcdapRjrMCnidS0DuW3pZBo6W0sZqV/fLx+AzgQ 7PAr6jtBbUoKW/GCGHLLtb6Hv+zjL17KGVO0DdQeoHEXMa48mJh8rS7VlUzVtpbxsWbb1wRZJTD88 ALDOLTWGqMbCTFDKFfGcqBLdUT13vx706Q29wrDiogmQhLGYKc6fQzpHhCLNhHTl8ZVLuKVY3wTT+ f9TzW1BDzFTAe3ZXsKhrzF+ud7vr6ff9p1Zl+Nujz94EDYHi/5Yrtp//+N/ZjDGDmqZOEA86/Gybu 6XE/v4S85ls0cAe37WTqsMCJjVRMP52r7Y1AuOONJDe3sIsDge++XFhwfGPbZwBnwd4gEVcdrKhnO ntuP9TvBMFWeTvtLqlWJUt7n8f/ELCcGoO5acai1iZ59GC81GLl2izObOLNjyv3G6hia/w50Mw9MU dAdZQ2MxM6k+x4L5XeysdcR/2AydVLtu2LGFOrKyEe0M9XmlE6OvziWXvVVwomvTN3LaNUmaINhr7 pHTFwDiZCSWKnwnvD2+jA1trKq1xKUQY1uGW9XgSj98pKyixHWoeEpydr+alSTB43c3m0351/9rYT TTi4KSk73wtapPKtaoIR3rOFHLQXbWFya3VzLnByb2JzdEBwb3N0ZW8uZGWJAlEEEwEIADsWIQSCd BjE9KxY53IwxHM0dh/4561D0gUCaIO9eAIbAwULCQgHAgIiAgYVCgkICwIEFgIDAQIeBwIXgAAKCR A0dh/4561D0oHZEACEmk5Ng9+OXoVxJJ+c9slBI2lYxyBO84qkWjoJ/0GpwoHk1IpyL+i+kF1Bb7y Hx9Tiz8ENYX7xIPTZzS8hXs1ksuo76FQUyD6onA/69xZIrYZ0NSA5HUo62qzzMSZL7od5e12R6OPR lR0PIuc4ecOGCEq3BLRPfZSYrL54tiase8HubXsvb6EBQ8jPI8ZUlr96ZqFEwrQZF/3ihyV6LILLk geExgwlTzo5Wv3piOXPTITBuzuFhBJqEnT25q2j8OumGQ+ri8oVeAzx24g1kc11pwpR0sowfa5MvZ WrrBcaIL7uJfR/ig7FyGnTQ1nS3btf3p0v8A3fc4eUu/K2No3l2huJp3+LHhCmpmeykOhSB63Mj3s 3Q87LD0HE0HBkTEMwp+sD97ZRpO67H5shzJRanUaDTb/mREfzpJmRT1uuec0X2zItL7a6itgMJvYI KG29aJLX3fTzzVzFGPgzVZYEdhu4y53p0qEGrrC1JtKR6DRPE1hb/OdWOkjmJ75+PPLD9U5IuRd6y sHJWsEBR1F0wkMPkEofWsvMYJzWXx/rvTWO8N4D6HigTgBXAXNgbc3IHpHlkvKoBJptv6DRVRtIrz 0G0cfBY0Sm7he4N2IYDWWdGnPBZ3rlLSdj5EiBU2YWgIgtLrb8ZNJ3ZlhYluGnBJDGRqy2jC9s1jY 66sLA9rQZMHhJTzMyIDwweGlvMzJAcG9zdGVvLmV1PokCbQQTAQgAVxYhBIJ0GMT0rFjncjDEczR2 H/jnrUPSBQJpa71VGxSAAAAAAAQADm1hbnUyLDIuNSsxLjExLDIsMgIbAwULCQgHAgIiAgYVCgkIC wIEFgIDAQIeBwIXgAAKCRA0dh/4561D0gKJD/9uOQKYlsDoQX65Gd0LiMT0C+5vXgr3VI0PHDOwcv 51fJ3A1vNyPZRFPGrz8+mDEXUQOF/INfnz5Tu1QHwf+iYcWcTGAN/FHgVR6ET6VBNU2hJaKhu+Ggo kjYyJTOvyX+3yNRUfSny0GjTjIPuPTErjqmHF+BtjXslpgwqnNMznf3lRIuUjRORupos6p3k1DndE 5vzUTmXSvMyXyOD2KhBl/kL76k0bHYyAQytZPag12pltrtFbA/r2phDGN2si8PooDT99bSTJjaM45 MTAAHbHKJfvgfK41bNFD5mMtpWpL195XRtS0Nrxdg3PaYBxN5gtTG0RyZfpYRlkdEhm+jj/8RxuSG i/qdhRdbiI7K2IELWeQVHSNDi9JabR/UzlR4NSnhfAjRIVlRM+eFbUl8XwxwVrAkojF5IraH2qRvg VCmuFsHUW07FUlrDrzpjXsD73cKppoFGDCdDR0BHJepXbFLS9+AqkT+guRJlnCTg2p+TQtnbwPgKp Vj98JixovCl99zRYTsL2bRNU5+q8iET65VMJ1ydyNanvLd5vI/NqDkXhlXLsGmdaDTtu4R21PkToX dQNGrZ91M9nlIBKw8Y7c7xZ4098qX2b8JX/CxD+gC1r4C8vuA3GkhFLx+KlkON7LyiJPkrePp6Qky jfGillcaQOqFZ3WwVqyzG1BUfTow== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-/2u+iIun9SPxCmVGLVKh" MIME-Version: 1.0 OpenPGP: url=https://posteo.de/keys/markus.probst@posteo.de.asc; preference=encrypt X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260701_103440_016179_029BCC14 X-CRM114-Status: GOOD ( 22.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --=-/2u+iIun9SPxCmVGLVKh Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2026-07-01 at 17:06 +0200, Alexandre Belloni wrote: > On 30/06/2026 19:22:21+0000, Markus Probst wrote: > > Synology NAS devices use the output pin for interrupt signal 1 to wake = up > > the system. > >=20 > > Move devicetree bindings for sii,s35390a into its own file. > > Add sii,wakealarm-output-pin property to enable the use of the output > > pin for interrupt signal 1 for the wake alarm, which makes it possible = to > > set an wake alarm on Synology NAS devices. > >=20 > > Signed-off-by: Markus Probst > > --- > > .../devicetree/bindings/rtc/sii,s35390a.yaml | 54 ++++++++++++++= ++++++++ > > .../devicetree/bindings/rtc/trivial-rtc.yaml | 3 -- > > MAINTAINERS | 1 + > > include/dt-bindings/rtc/s35390a.h | 9 ++++ > > 4 files changed, 64 insertions(+), 3 deletions(-) > >=20 > > diff --git a/Documentation/devicetree/bindings/rtc/sii,s35390a.yaml b/D= ocumentation/devicetree/bindings/rtc/sii,s35390a.yaml > > new file mode 100644 > > index 000000000000..31a578673870 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/rtc/sii,s35390a.yaml > > @@ -0,0 +1,54 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/rtc/sii,s35390a.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: S-35390A 2-WIRE REAL-TIME CLOCK > > + > > +maintainers: > > + - Alexandre Belloni > > + > > +description: > > + The S-35390A is a CMOS 2-wire real-time clock IC which operates with= the > > + very low current consumption in the wide range of operation voltage. > > + > > +allOf: > > + - $ref: rtc.yaml# > > + > > +properties: > > + compatible: > > + const: sii,s35390a > > + > > + reg: > > + maxItems: 1 > > + > > + sii,wakealarm-output-pin: > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + enum: [1, 2] > > + description: | > > + The output pin to wake up the system. > > + Default will use the output pin for interrupt signal 2. > > + : Output pin for interrupt signal 1 > > + : Output pin for interrupt signal 2 > > + >=20 > Ideally, we'd get a proper pinctrl driver part for this because what > happens if you want interrupts on both pin or clock output on both pins > or any combination of interrupts and clocks? >=20 Yes. Thanks - Markus Probst --=-/2u+iIun9SPxCmVGLVKh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEgnQYxPSsWOdyMMRzNHYf+OetQ9IFAmpFT6IbFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyAAoJEDR2H/jnrUPSS/EP/0InCbRWpPfmdYxplz+y bKjJSHRM3BwQuvuXPYfYS5+tMDRqz4uvEY8hZg64argZ409I7EKKqqD7oX6Cczk2 kYW8fOI0Cskw8CqB299LPx0KwrI7iwW9tSoKK4NGOlYX11Cjq2OJSqnE2Ft+fpy7 Fz0ji9bvl3RAyUCamxbWJTRrdtIMiW2Y6PhHFBVoE4FWLIDBTkuV4MftrkUOWt2S 1o2jgOiOG1vqzOvg5INJOoDC5LoPagqqkBXxxTutMvz5qHJRUun7VXecZ2bVi7It 7cm9rTtv0iUNke5jTsLPzOAhk8GkPNlIK0Bt21eM/Q5Xfo3pyz5ATCo8+7l83SGe 5sEyB8jOYG4xTg1d55sndZZUG36z2Z+Jtfr8h+lT+P4q6oz2RMbeAeHeQZ8SgzSA G0R1qtvysseC61tvLbnCd06VKPIilTVgyLMPR7jXwwu7QOieoJz2mM5HgWXyguoO DnbifMSazYmqcIGm7oGiK06wYJ3/tG7j1kxQ2I2wEOr5wPzMkW5ehsR+t3tBDWXr DdSW+iFL56mzzTy+Nq+tbOfw8UzWR4dYXIbE0Wg77Lv/570yYPPnomOA5SBrZzag U+MfPCtxGLxADbH8hZPcF+KaqLg+tRW5a2BcLFI83gCuBlYUkGdlPLmA5OCqG6O3 WhhPPl0fGrF7P8YX0aIMahbw =ITFG -----END PGP SIGNATURE----- --=-/2u+iIun9SPxCmVGLVKh--